We have already met this facility, in its simplest form it allows us to define textual substitutions using #define statement. The #define statement can be used for more, however, than simply defining symbolic constants. …

When working with a stream-oriented data file, the first step is to establish a buffer area (a holt station for data processing) where information is temporarily stored while being transferred between the computer’s …

Processing a data file Most data file applications require that a data file be altered as it is being processed. For example, in an application involving the processing of customer records, it may be …

Two variables of the same structure type can be compared the same way as ordinary variables. operation meaning person1=person2*assign perosn2 to person1 person1== person2*compare all name of person1 and person2 …